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Hosted SMTP sandbox for developers to capture, test, and debug emails.
From
$5/mo
Pay-as-you-go SMTP upgrade adding enterprise email features on top of any provider.
$2/yr
Transactional email SMTP relay and REST email API with usage-based pricing.
$0.088/mo
iMessage, SMS, and RCS API for businesses with flat-rate per-line pricing.
$100/mo
Sendinblue (now Brevo) is a multi-channel marketing platform with email, SMS, WhatsApp, and CRM tools for businesses of all sizes.
$9/mo
Encrypted email service for sending and receiving secure messages via web, SMTP, or REST API.
$57.4/yr
Usage-based email sending and mailbox infrastructure with metered pricing per send and storage.
$7/mo
AI meeting assistant for Mac with pre-meeting prep, briefs, and local transcription.
$12/mo
Social network and multimedia audio repository for blind and visually impaired users, with mobile and desktop apps.
$16.95/mo
White-label softphone deployment platform for VoIP providers and IT teams across iOS, Android, Windows, and Mac.
SIP desktop softphone for Windows and macOS with centralized provisioning and call recording.
Multilingual chat platform for real-time translated communication with international staff.
$4,980/mo
Bulk WhatsApp messaging tool that sends personalized messages from Google Sheets, Excel, or CSV data.
$432/mo
AI-powered email client built on Gmail
$30/mo
Remote PC access, remote support, screen sharing, and workplace collaboration platform.
Random pairing and team-shuffling tool for Slack communities and programs.
$46/mo
Tracker platform for following public sources and setting custom alert notifications.
$10/mo
Pay-as-you-go text messaging API for 10DLC, toll-free, and shortcode SMS/MMS.
$19/mo
Instant in-app messaging tool for publishing and editing user-facing messages without code changes.
$9.99/mo
AI-powered answering and messaging service for small businesses covering calls, texts, and lead follow-up.
$199/mo
Gmail add-on that mutes and batches newsletter emails for scheduled once-daily (or more) delivery.
$17/yr
Mobile app to send personalized bulk SMS invitations and marketing texts from your own phone number using a spreadsheet upload.
$4.99/yr
AI-powered employee experience platform for internal communications, intranet, and people engagement at enterprise scale.
No pricing yet
Cloud Communications Platform for SMS, Voice, and Messaging APIs
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